Incident angle: 19±5°
Surface quality: 60/40
Parallelism(): ±3°
Coupling Ratio82,73
Wavelength: 640-670nm
T/R Ratio 50/50±5,for random polarization
T= (Ts+ Tp)/2, R=(Rs+ Rp)/2
Beam Deviation: <3 arc minutes
CCTV lens